Here's what I did to make the Magic Trackpad to connect:
- Take off the battery cap of the Magic Trackpad
- Turn off Bluetooth on the computer (in Bluetooth Preferences)
- Turn on Bluetooth on (in Bluetooth Preferences)
- Replace battery cap of the Magic Trackpad
- Press "+" to add a device in Bluetooth Preferences on your computer
- Press, AND HOLD, the Power Button on the Magic Trackpad, AND KEEP HOLDING while green light is blinking.
- Select the Magic Trackpad
- Once the Magic Trackpad is connected you may release the Power Button on the Magic Trackpad
Mine too has started disconnecting and reconnecting every 2 seconds after I replace the batteries.
I tried several different sets of rechargable batteries and found that, for me, it was in the batteries.
I have used some ultra pro for the last year, rotating and recharging them. This time, trackpad would not stay connected. The engergizer recharge I stuck in is working fine and it even shows the same battery level as the Ultra Pro.
Before I verified the battery solution, I did try Bluetooth Explorer and did what Joe K. advised. It was a simple to download since I had registered as a developer years ago. BE started up and I found the Device Cache and deleted my device, then use system preferences>Bluetooth to pair it up again.
I will update if I start having trouble again.
Well, tried your suggestion and it didn't work-still can't discover the trackpad as a device-I did initially discover someone else's smartphone, but on second attempt, that didn't come up either. Trackpad still works with laptop. Other suggestions?